a section of the NYS ConstitutionSince 1847, the NYS constitution requires that NYS voters must be asked every 20 years if they want to have a constitutional convention to review the state constitution, and to propose changes to the voters through ballot questions after the convention finishes its work.
In 1977, NYS voters faced the question:

We're still squeezing the juice - come back soon for more on this ballot question!

And the voters said: No!